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#188 / 13,611' Pico Asilado Pico Aislado

Quadrangle › Crestone Peak
Summit Location › Peak Route Icon N 37° 56' 39.76", W 105° 33' 31.97" (Not Field Checked)

Peak Summary

Note: Asilado is a misspelling on the 1967 USGS quad. The correct spelling is "Aislado." We have used both versions in the peak name to aid in searches.

Climbed from Milwaukee Peak by the connecting ridge, Pico Aislado is a moderate traverse followed by a Class 3 gully with a few Class 4 moves thrown in. Rope is not necessary. From UN13,020 B, Pico is a Class 2 ascent. If done from Milwaukee, then a backpack trip across Music Pass and into the upper Sand Creek Basin is likely. 4WD required to reach the upper trailhead for Music Pass.

Pico Aislado ENE Ridge Route

Class 4
Peak Icon Peak Icon
Long Day // Back for Dinner
Climbed with Milwaukee Peak
RT From Music Pass: 8.35 mi / 4,050'
RT From Sand Creek Base Camp with Milwaukee Peak: 3.95 mi / 3,300'
From Milwaukee Peak: 0.60 mi / 400' (One-Way)
  • Trailhead
    • Music Pass Trailhead

      From Westcliffe, head south out of town on SH69 as though going to the South Colony Lakes area by the Crestones. Drive 4.4 miles south from the intersection of highways 69 and 96 in town, then turn right onto CR119 (Colfax Lane) and drive 5.5 miles to the junction where if you turn right, you'd be heading for the Crestones and South Colony Lakes. But instead of turning right, turn left to the east, then in a few hundred yards, (quarter mile) the road again turns abruptly south and in about 5 miles comes to a trailhead parking area where passenger cars should give it up. This is the Rainbow trailhead here. Coordinates for this lower parking area at 9300 ft. are: N37° 55' 49.07" W 105° 27' 26.52".

      If you have 4WD with good clearance, then proceed up the steepening 4WD road to the south and west for another 2.5 miles (appx.) to the upper trailhead at the coordinates and elevation given above. Our first drive up this road in 1995 was made in a Jeep Cherokee Sport. We found the road in surprisingly good shape, even though it was a steep single-track type road. In 2005 we returned to the same area in a Toyota T-100 pickup. In those 10 intervening years, the road condition had deteriorated considerably. It proved more of a challenge in our longer-bed vehicle, but we still made it okay. In any event, be prepared for a rough ride on a steep, narrow road with difficult rocky stretches.


      Camping

      Primitive camping is available at both the upper and lower trailheads. There are no close by National Forest Service campgrounds.

    Approach Map Photos
    • From Music Pass TH via Sand Creek Base Camp & Milwaukee Peak:

      • Music Pass - Sand Creek  Easy | RT: 4.4 mi / 750’

        A short and sweet backpack over Music Pass and into upper Sand Creek can set you up for access to the numerous 13ers that surround this basin. In fact, there are 10 accessible summits that could all be climbed in as little as 3 - 4 days depending on your pace and endurance.

        From the upper trailhead parking, hike 1.2 miles on Trail #1337 to the summit of Music Pass at just over 11,400 ft. The trail starts out through forest where in early summer you may still find, patches of snow, snowbanks and resulting muddy spots. As the trail approaches the pass, it climbs more steeply and ascends out of the forest. At the top of the pass, you'll enjoy an expansive view of the upper Sand Creek Basin and all the surrounding 13ers. Once you cross the pass, you'll be entering the "Great Sand Dunes National Preserve."

        Once you've soaked in the view, follow the good trail as it drops NW into the Sand Creek drainage. There's a large meadow that extends for over a mile mostly on the east side of the creek. At the upper end of that meadow, just before the trail enters the forest, there are good campsites at approximately these coordinates: N 37° 56' 06.97" W 105° 31' 20.53" Elev. 11,050 ft. This location can serve as an excellent base camp if you don't want to move your campsite. It's 2.2 miles to here with no more than 750 feet of gain, some of which you lose. As trail #1337 drops into this meadow, it will intersect trail #743 coming in from the San Luis Valley side. So in a little over an hour, you can be in a great wilderness location and setting up your tent. Don't be surprised however, if you're sharing this location with some other groups. This seems to be a popular destination.

        If you desire a campsite closer to your peaks of choice, then there is also good camping at both Lower and Upper Sand Creek Lakes. We have camped at the lower lake and found several good campsites on the east side of the lake and on the north side of the outlet. To get there, you'll need to cross Sand Creek near where the tail enters the forest. There may be more than one trail in this area and crossing the creek can be difficult in runoff conditions. Once across, the trail heads NW along the creek for a ways before branching and turning SW and winding its way to the lower lake over a distance of about one mile and 500 feet of gain.

        The main Sand Creek trail also continues up valley to Upper Sand Creek Lake which can serve as a good camp location for accessing Milwaukee and Pico Asilado. This trail may or may not go as indicated on the USGS topo map. When we climbed here in 1995, that summer followed on the heels of a heavy snow winter and most everything above 11,000 feet in this valley was still covered in snow. To gain Upper Sand Creek Lake will add 1.5 miles of hiking and another 700 feet of gain.


        Camping

        There is camping as described above at 11,050 ft. at the upper NW end of the long meadow and at both Lower and Upper Sand Creek Lakes.


        Campsite Locations

        Upper Meadows of Sand Creek N 37° 56' 06.97", W 105° 31' 20.53"

        Open This Approach in a New Window
      • Milwaukee Peak North Ridge  Class 4 / 2.75 mi / 2,500’ One-Way

        There are two difficulties in describing our route to Milwaukee Peak. The first has to do with the 1967 Crestone Peak quad which shows a trail that leads from near Upper Sand Creek Lake to a pass (Milwaukee Pass) just north of the Milwaukee summit and between it and a northern sub-summit. On that quad, that trail is in a drainage separated from the headwaters of Sand Creek by a prominent ridge. This trail does not seem to actually exist any longer. It appears that a trail route now follows more in the Sand Creek headwaters and comes out at the Milwaukee/marble saddle. In addition, when we did this climb, as mentioned before, there was so much snow, locating any trail was impossible anyhow. So you might want to supplement our description with the G&M description of Pico Asilado and a report by Ryan Schilling on SummitPost here:

        http://www.summitpost.org/east-face-via-music-pass/159342

        As for our route, because we wanted to avoid snow and willows as much as possible, from a camp location at the end of the long meadow at 11,050 ft.,  we headed north, first cutting through forest, then hiking along the edge of the forest and took a wide-swinging arch path to the NW, gradually ascending on mostly tundra. At one point we had to cross some talus slopes with rocky rubble, after which, there was a steeper gain into the head of Sand Creek, followed by more tundra hiking (we assume) to the saddle between Marble Mountain and Milwaukee Peak. This route is shown on the Google Earth image by a red line.

        From this saddle, head SSW following the steepening ridge crest on tundra and rock. We crested the false summit north of Milwaukee and picked up the trail coming up from the Cottonwood drainage which we were able to follow for about 100 yards, but then left it to continue along the ridge to a saddle (13,300 ft.) followed by a notch mentioned by G&M and Ryan. Drop (i.e. - downclimb) into the notch and then the challenge begins. It's not that far to the summit, but it won't be easy. Literally climb a short section of rock wall (4th class) and then locate the ramp/ledge that goes south along the east face of the peak. It's very obvious. The ledge is narrow and exposed and can be intimidating for some. This is the crux. We found this ledge to be similar to the ledge you follow on the east side of Pyramid Peak, before you begin the final, more vertical ascent to the summit, but far less extended. The ledge led to an obvious trail that switchbacked up about 20 feet onto steeply pitched rock and tundra ledges. We climbed upward another 30 feet or so before finally reaching terrain where it felt safe to stand and walk. That's the end of the 4th class section. Regaining the summit ridge, from here, stroll on to the true summit.

        Many if not most climbers, once they top Milwaukee will want to continue on over to Pico Asilado. From Milwaukee, you have a clear view of the route over, so as you rest and munch on your lunch, plot your ascent over. From this perspective, Pico Asilado is very impressive and a little intimidating. To descend Milwaukee, return as you came, but keep in mind that from the Marble-Milwaukee saddle, it's easily possible to hike all long the ridge over to Marble Mountain and then drop back down to the camp location at 11,050 feet.

        Open This Route in a New Window
    Peak Icon Route Map Photos

    Route Info Pico Aislado ENE Ridge

    Route Description

    Year Climbed: 1995

    The route we used for Pico Aislado begins from the summit of Milwaukee Peak. We used the route description available in G&M at the time. They described this route as the shorter but more difficult route to Pico Aislado. (Note that in G&M, they used the misspelled USGS Quad name.) As pointed out in the "approach" information, when we did this climb, much of this climb from treeline above was covered in snow.

    From the summit of Milwaukee, follow the ridge WSW toward Pico Aislado, dropping to a 13,220 foot saddle. For the most part, this will be on easy tundra/rock combination. Continuing beyond there, we encountered a non-negotiable snow cornice all along the ridge that forced us off the ridge on the south side for safety's sake. G&M recommended climbing on the left hand side of the ridge to a small saddle at 13,420 ft., a little below the summit block. Then they had you lose about 100 feet in elevation on the south side to find a series of ledges and narrow gullies that lead back to the ridge. We believe our route as follows avoided that unnecessary drop.

    Because of the snow conditions, we chose to contour on the south side of the ridge at about 13,300 feet over to a rock and tundra rib. This left us about 300 feet below the summit. The contour took us across two snowfields and intervening rock. We then turned up the rib and ascended on fairly easy secure rock and tundra for the first 100 feet. Then we had to ascend on a series of ledges, first to the left, then to the right, and around a steep wall of rock. Once around the wall, we found a steep gully to ascend that was mostly fairly secure rock with some tundra steps. The climbing was basically 3rd class with perhaps a few 4th class moves. As we neared the summit ridge, the climbing turned more consistently to solid rock. The gully took us back to the ridge and then we walked over large blocks of rock for a hundred feet or more to the summit. A report on LoJ mentions two possibly gullies in this area, both of which offer 3rd and 4th class scrambling.  See our link to that report.

    The summit of Pico Aislado offers an exciting and unique perspective of the Crestone group of summits. Enjoy the view. If time allows, you may want to consider continuing west off the summit and tag UN13,020 which lies about another .6 mile west on a connecting ridge. The return from that summit can be long and difficult, however. Again, see the report on LoJ for a suggestion on how to make the return hike. If not continuing over to UN13,020, then return as you came, back over the summit of Milwaukee Peak.


    Additional BETA

    Links to other information, routes & trip reports for this peak that may be helpful.
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